型號有:7a-1(38kg/m)復合橡膠墊板,7a-2(43kg/m&QU70)復合橡膠墊板,7a-3(50kg/m&QU80)復合橡膠墊板,7a-4復合橡膠墊板,7a-5(QU100)復合橡膠墊板,7a-6(QU120)復合橡膠墊板.